402253343 has 2 divisors, whose sum is σ = 402253344. Its totient is φ = 402253342.

The previous prime is 402253333. The next prime is 402253349. The reversal of 402253343 is 343352204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402253343 - 2²⁴ = 385476127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402253349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201126671 + 201126672.

It is an arithmetic number, because the mean of its divisors is an integer number (201126672).

Almost surely, 2^402253343 is an apocalyptic number.

402253343 is a deficient number, since it is larger than the sum of its proper divisors (1).

402253343 is an equidigital number, since it uses as much as digits as its factorization.

402253343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 402253343 is about 20056.2544608907. The cubic root of 402253343 is about 738.1872742224.

The spelling of 402253343 in words is "four hundred two million, two hundred fifty-three thousand, three hundred forty-three".